| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Jean Élie Louis Octave Guillaume Sévère Amanieu•Decazes et de Glucksbierg | |
| Used name | Jean, Duc•Decazes | |
| Born | 30 April 1864 in Paris VIIIe, Paris |  FRA |
| Died | 31 August 1912 (aged 48 years 4 months 1 day) in Chantilly, Oise | FRA |
| Affiliations | Yacht Club de France — Paris, Paris | FRA |
| Title(s) | 3ème Duc (Duke) Decazes et de Glücksbierg | |
| NOC | France | FRA |
| Medals | OG |
| Gold | 0 |
| Silver | 1 |
| Bronze | 0 |
| Total | 1 |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1900 Summer Olympics | Sailing | FRA |
Jean, Duc Decazes | |||
| 10-20 Tons, Open (Olympic) | 2 | Silver |
